CALDERÓN RIVERA, Álvaro . Necrología Gerold Ungeheuer (1930-1982). Thesavrvs, [S. l.], v. 38, n. 1, p. 218–222, 2023. Disponível em: https://thesaurus.caroycuervo.gov.co/index.php/rth/article/view/1145. Acesso em: 21 nov. 2024.